v3.25.4

Income Taxes - Deferred Income Tax Valuation Allowance Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets Valuation Allowance [Roll Forward]
Beginning balance of deferred income tax valuation allowance	$ 200	$ 166	$ 92
Charges against goodwill	0	(27)	102
Increases/(decreases)	(60)	61	(28)
Ending balance of deferred income tax valuation allowance	$ 140	$ 200	$ 166

X

- Definition

Deferred Tax Assets Valuation Allowance [Roll Forward]

+ References

No definition available.

+ Details

Name:	ice_DeferredTaxAssetsValuationAllowanceRollForward
Namespace Prefix:	ice_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Valuation Allowance, Deferred Tax Asset, Additions, Charged To Goodwill

+ References

No definition available.

+ Details

Name:	ice_ValuationAllowanceDeferredTaxAssetAdditionsChargedToGoodwill
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Valuation Allowance, Deferred Tax Asset, Increases (Decreases)

+ References

No definition available.

+ Details

Name:	ice_ValuationAllowanceDeferredTaxAssetIncreasesDecreases
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant